28 U.S.C. § 1331 Cited 97,534 times 135 Legal Analyses
Finding that in order to invoke federal question jurisdiction, a plaintiff's claims must arise "under the Constitution, laws, or treaties of the United States."
28 U.S.C. § 1338 Cited 5,399 times 71 Legal Analyses
Granting exclusive jurisdiction to the district courts "of any civil action arising under any Act of Congress relating to patents, . . . copyrights and trademarks"
35 U.S.C. § 101 Cited 3,404 times 2192 Legal Analyses
Defining patentable subject matter as "any new and useful process, machine, manufacture, or composition of matter, or any new and useful improvement thereof."